
7
66
Workshop Manual, TPD 1458E, issue 3 - Perkins Confidential: Green
400 Series
To inspect
Operation 7-2
1 Check the bush for damage, wear and contact. If damaged, worn or poor contact renew the bush.
2 Using a cylinder gauge and a micrometer, measure the bush (A) and the crankshaft journal (B) to calculate
the clearance.
3 Measure the inside diameters at positions (A1) and (A2) at each position measure in both directions (A3)
and (A4) as shown. The oil clearance is the difference between the larger value and the maximum crankshaft
journal diameter.
4 If the oil clearance exceeds the service limit, renew the bush, or regrind the crankshaft journal and use an
undersize bush.
Engine
Standard oil clearance
Service limit
403C-11
0,039 - 0,106 mm (0.00150 - 0.00420 in)
0,20 mm (0.0078 in)
403C-15
404C-22
404C-22T
0,044 - 0,116 mm (0.00173 - 0.00456 in)
0,20 mm (0.0078 in)
Bush size
Crankshaft journal O.D finished size
403C-11
Standard
47,964 - 47,975 mm (1.88830 - 1.88880 in)
0,25 mm (0.01 in)
47,714 - 47,725 mm (1.87850 - 1.87890 in)
0,50 mm (0.02 in)
47,464 - 47,475 mm (1.86870 - 1.86910 in)
403C-15
404C-22
404C-22T
Standard
67,957 - 67,970 mm (2.67550 - 2.67597 in)
0,25 mm (0.01 in)
67,707 - 67,720 mm (2.66563 - 2.66614 in)
0,50 mm (0.02 in)
67,457 - 67,470 mm (2.65579 - 2.65630 in)
H1083
Содержание 403C-11
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